Investor
Castle Hook Partners LP
CIK 0001687241 · filed 2026-05-15 · SEC filing
13F book
$23.4B
Positions
44
21 new · 31 sold
Largest name
2.2%
Natera, Inc. · NTRA
Est. mark
$306.2M
Price effect on 23 names still held. Flow −$2.31B.
| Name | Ticker | Shares | Value | Weight | Est. mark | Change |
|---|---|---|---|---|---|---|
| Natera, Inc. | NTRA | 2.53M | $505.9M | 2.2% | −$63.1M | Added$9.3M |
| Comfort Sys Usa Inc | — | 208.9K | $288.1M | 1.2% | $93.1M | Cut$38.1M |
| Equinix Inc | EQIX | 263.9K | $258.7M | 1.1% | — | New |
| RTX Corp | RTX | 1.29M | $248.2M | 1.1% | — | New |
| Walmart Inc. | WMT | 1.96M | $243.4M | 1.0% | $25.2M | Cut$20.2M |
| Western Digital Corp | WDC | 878.9K | $237.7M | 1.0% | $86.3M | Cut$9.37M |
| Welltower Inc. | WELL | 1.19M | $235.6M | 1.0% | $14.4M | Cut$3.76M |
| L3harris Technologies Inc | — | 674.1K | $232.7M | 1.0% | — | New |
| Seagate Technology Hldngs Pl | — | 561.6K | $220M | 0.9% | $65.4M | Cut−$946K |
| Insmed Inc | INSM | 1.27M | $207.6M | 0.9% | −$13.2M | Added−$10.5M |
| Ttm Technologies Inc | TTMI | 2.11M | $206M | 0.9% | $54.9M | Added$72.6M |
| Karman Hldgs Inc | — | 2.49M | $199.6M | 0.9% | — | New |
| Applied Matls Inc | — | 520.6K | $177.9M | 0.8% | $20.5M | Added$115.8M |
| Sandisk Corp | SNDK | 276.9K | $175.9M | 0.8% | $2.87M | Added$174.2M |
| Solstice Advanced Matls Inc | — | 2.23M | $169.6M | 0.7% | $32.8M | Added$111.8M |
| Danaher Corporation | — | 880K | $166.8M | 0.7% | −$34.6M | Cut−$96.9M |
| Cameco Corp | CCJ | 1.39M | $150.8M | 0.6% | $23.8M | Cut−$40.4M |
| Exxon Mobil Corp | — | 870.2K | $147.6M | 0.6% | — | New |
| Linde Plc | LIN | 255K | $126.4M | 0.5% | — | New |
| Live Nation Entertainment In | — | 798K | $121.7M | 0.5% | — | New |
| Lumentum Hldgs Inc | — | 151.4K | $106.4M | 0.5% | $3.53M | Added$102.5M |
| Dicks Sporting Goods Inc | — | 509.3K | $101M | 0.4% | $163K | Cut−$15.5M |
| Analog Devices Inc | ADI | 286K | $91M | 0.4% | $151.7K | Added$90.1M |
| Bp Plc | — | 1.12M | $52.8M | 0.2% | — | New |
| Dexcom Inc | DXCM | 801.8K | $50.4M | 0.2% | −$2.86M | Cut−$99M |
| Steel Dynamics Inc | STLD | 269.6K | $48.5M | 0.2% | — | New |
| Viking Holdings Ltd | VIK | 634.1K | $46.6M | 0.2% | — | New |
| Newamsterdam Pharma Company | — | 1.04M | $33.4M | 0.1% | −$3.2M | Cut−$4.69M |
| Albemarle Corp | — | 145.2K | $26.1M | 0.1% | $5.53M | Cut−$180.9M |
| Compass, Inc. | COMP | 2.5M | $18.3M | 0.1% | −$443.8K | Added$16.8M |
| Nucor Corp | NUE | 85.7K | $14.5M | 0.1% | — | New |
| Dbx Etf Tr | — | 283.2K | $9.25M | 0.0% | — | New |
| Tractor Supply Co | — | 200K | $9.06M | 0.0% | −$942K | Cut−$2.19M |
| Applovin Corp | APP | 15K | $5.97M | 0.0% | −$4.14M | Cut−$259.4M |
| Corebridge Finl Inc | — | 175.6K | $4.19M | 0.0% | — | New |
| Amazon Com Inc | AMZN | 9.77K | $2.04M | 0.0% | — | New |
| Wayfair Inc. | W | 25.6K | $1.93M | 0.0% | — | New |
| Astrazeneca Plc Ord | AZN | 8.97K | $1.77M | 0.0% | — | New |
| Hasbro, Inc. | HAS | 15.2K | $1.43M | 0.0% | — | New |
| Abbott Labs | ABT | 11.3K | $1.16M | 0.0% | — | New |
| Mckesson Corp | MCK | 916 | $792.7K | 0.0% | — | New |
| Somnigroup International Inc. | SGI | 9.16K | $677.1K | 0.0% | — | New |
| Nvidia Corp | NVDA | 2.98K | $518.8K | 0.0% | −$36K | Cut−$5.2M |
| Zevia Pbc | ZVIA | 171.8K | $201K | 0.0% | — | New |
Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.